﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using Microsoft.Phone.Marketplace;
using LunchRoller.ViewModels;
using LunchRoller.Repositories;
namespace LunchRoller
{
    public partial class App : Application
    {
        private static MainViewModel viewModel = null;
        private static LicenseInformation _licenseInfo = new LicenseInformation();


        /// <summary>
        /// Check the current license information for this application
        /// </summary>
        private void CheckLicense()
        {
            // When debugging, we want to simulate a trial mode experience. The following conditional allows us to set the _isTrial 
            // property to simulate trial mode being on or off. 
#if DEBUG
            string message = "This sample demonstrates the implementation of a trial mode in an application." +
                               "Press 'OK' to simulate trial mode. Press 'Cancel' to run the application in normal mode.";
            if (MessageBox.Show(message, "Debug Trial",
                 MessageBoxButton.OKCancel) == MessageBoxResult.OK)
            {
                App.ViewModel.IsTrial = false;
                App.ViewModel.IsTrial = true;
            }
            else
            {
                App.ViewModel.IsTrial = true;
                App.ViewModel.IsTrial = false;
            }
#else
            //App.ViewModel.IsTrial =! _licenseInfo.IsTrial();
            //App.ViewModel.IsTrial = _licenseInfo.IsTrial();
            App.ViewModel.IsTrial = ! true ;
            App.ViewModel.IsTrial = true;
#endif

        }


        /// <summary>
        /// A static ViewModel used by the views to bind against.
        /// </summary>
        /// <returns>The MainViewModel object.</returns>
        public static MainViewModel ViewModel
        {
            get
            {

                // Delay creation of the view model until necessary
                if (viewModel == null)
                    viewModel = new MainViewModel(true);

                return viewModel;
            }
        }

        public static MainViewModel SampleData;


        /// <summary>
        /// Provides easy access to the root frame of the Phone Application.
        /// </summary>
        /// <returns>The root frame of the Phone Application.</returns>
        public PhoneApplicationFrame RootFrame { get; private set; }

        /// <summary>   
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {
            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;

            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();

            SampleData = Application.Current.Resources["SampleData"] as MainViewModel;



            App.ViewModel.LoadData();

            var setting = App.ViewModel.Settings.FirstOrDefault();
            if (setting == null)
            {
                setting = new SystemSettingModel()
                {
                    CurrentVersionNum="v 1.1",
                    IsGeoAccepted = false,
                    LatestDistinctCount = 2,
                    WhatsNewThisVersion = "修改部分无法保存bug。可以让最近进行过的饭醉暂时不进入备选列表中。",
                    WillAddNextVersion = "-"
                };
                App.ViewModel.Settings.Clear();
                App.ViewModel.Settings.Add(setting);
                App.ViewModel.Settings.SaveAll();
            }

            // Show graphics profiling information while debugging.
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // Display the current frame rate counters
                Application.Current.Host.Settings.EnableFrameRateCounter = false;

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode, 
                // which shows areas of a page that are handed off to GPU with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;

                // Disable the application idle detection by setting the UserIdleDetectionMode property of the
                // application's PhoneApplicationService object to Disabled.
                // Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
                // and consume battery power when the user is not using the phone.
                PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
            }
        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
            CheckLicense();
            var setting = App.ViewModel.Settings.Single();
            //if (!setting.IsGeoAccepted)
            //{
                var message = @"本App在为您搜索周围就餐地点时，会取得您的地理信息作为参数，到街旁网搜索相关信息。这些信息被匿名发送，不会被保存，请您放心。
如果您不希望使用这种功能，可以关闭地理信息服务。";
                var rst = MessageBox.Show(message, "地理信息隐私声明", MessageBoxButton.OK);
                if (rst == MessageBoxResult.OK)
                {

                    setting.IsGeoAccepted = true;
                    App.ViewModel.Settings.SaveAll();
                }


            //}


        }




        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
            // Ensure that application state is restored appropriately
            if (!App.ViewModel.IsDataLoaded)
            {
                App.ViewModel.LoadData();
                App.ViewModel.IsGeoStarted = false;
            }
            CheckLicense();

        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {
            // Ensure that required application state is persisted here.
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        public static void BindCommand(ReactiveUI.Xaml.IReactiveCommand cmd, Microsoft.Phone.Shell.ApplicationBarIconButton appBar, Func<Object> paramGetter = null)
        {
            if (paramGetter == null)
            {
                paramGetter = () => null;
            }
            cmd.CanExecuteChanged += (o, e) => appBar.IsEnabled = (o as ICommand).CanExecute(paramGetter());
            appBar.Click += (o, e) => cmd.Execute(paramGetter());

            appBar.IsEnabled = cmd.CanExecute(paramGetter());
        }
        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            RootFrame = new PhoneApplicationFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;
        }

        #endregion
    }
}